Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac hat duoc snippets" » "cac dat duoc snippets", "cac vat duoc snippets", "cac thuat duoc snippets", "cac chat duoc snippets", "cac hoat duoc snippets", "cau hat duoc snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cac hat duoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hat duoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cac hat duoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hat duoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.